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238 Seats On A 350-Seat Airframe: The Trade-Offs Behind Qantas' A350-1000ULR

Qantas' A350-1000ULR for Project Sunrise features a massive 5,283-gallon rear center auxiliary fuel tank to enable its 9,700-nautical-mile range, but this modification reduces seating capacity from 350 to 238 seats. The trade-off demonstrates the engineering challenge of balancing ultra-long-range capability with payload capacity.

3 May 2026Source: Simple Flying

Why it matters

This highlights the real-world compromises airlines must make when pursuing ultra-long-range operations, directly impacting route economics and passenger capacity. For travelers, it affects ticket pricing and availability on these premium long-haul routes.